GIS编程

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Visual C++

CntrItem.h：源码内容

							// CntrItem.h : interface of the CDrawCntrItem class
//
#if !defined(AFX_CNTRITEM_H__0EFFC632_8953_11D2_AE7B_444553540000__INCLUDED_)
#define AFX_CNTRITEM_H__0EFFC632_8953_11D2_AE7B_444553540000__INCLUDED_
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
class CDrawDoc;
class CDrawView;
class CDrawCntrItem : public COleClientItem
{
	DECLARE_SERIAL(CDrawCntrItem)
// Constructors
public:
	CDrawCntrItem(CDrawDoc* pContainer = NULL);
		// Note: pContainer is allowed to be NULL to enable IMPLEMENT_SERIALIZE.
		//  IMPLEMENT_SERIALIZE requires the class have a constructor with
		//  zero arguments.  Normally, OLE items are constructed with a
		//  non-NULL document pointer.
public:
	float m_X1,m_Y1,m_X2,m_Y2;
	BOOL b_Select;	//是否选中
// Attributes
public:
	CDrawDoc* GetDocument()
		{ return (CDrawDoc*)COleClientItem::GetDocument(); }
	CDrawView* GetActiveView()
		{ return (CDrawView*)COleClientItem::GetActiveView(); }
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CDrawCntrItem)
	public:
	virtual void OnChange(OLE_NOTIFICATION wNotification, DWORD dwParam);
	virtual void OnActivate();
	protected:
	virtual void OnGetItemPosition(CRect& rPosition);
	virtual void OnDeactivateUI(BOOL bUndoable);
	virtual BOOL OnChangeItemPosition(const CRect& rectPos);
	//}}AFX_VIRTUAL
// Implementation
public:
	BOOL IsPoint(CPoint point);
	void Draw(CDC* pDC);
	~CDrawCntrItem();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif
	virtual void Serialize(CArchive& ar);
};
/////////////////////////////////////////////////////////////////////////////
//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_CNTRITEM_H__0EFFC632_8953_11D2_AE7B_444553540000__INCLUDED_)

						